//string 数据类型
var isString = "12345";
var isString1;
//number类型
var isNumber = 123456;
var isNumber1;
var xx;
xx = ["刘春雷", 28];
console.log(xx);
//布尔值
var isDone = false;
var isDone1;
//数组
var list = [1, 2, 3];
var list1;
//数字
var decLiteral = 16;
var decLiteral1;
//字符串
var names = "bob";
var names1;
